Sun Yang of China competes during the men's 800m freestyle final at the 2015 FINA World Championships in Kazan, Russia August 5, 2015. Sun claimed the title with 7:39.96. (CNS photo/Houyu)
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Sun Yang of China competes during the men's 800m freestyle final at the 2015 FINA World Championships in Kazan, Russia August 5, 2015. Sun claimed the title with 7:39.96. (CNS photo/Houyu)
